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-rw-r--r--arch/x86/kvm/mmu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index a99acec925eb..6bdaacb6faa0 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -6,6 +6,8 @@
#include "kvm_cache_regs.h"
#include "cpuid.h"
+extern bool __read_mostly enable_mmio_caching;
+
#define PT_WRITABLE_SHIFT 1
#define PT_USER_SHIFT 2